51st FW and ROKAF CBRN Bilateral Training Published July 11, 2022 By Senior Airman Trevor Gordnier 51st Fighter Wing Public Affairs OSAN AIR BASE, Republic of Korea -- CBRN Airmen from the 51st Civil Engineer Squadron trained with members from the ROKAF CBRN Defense Squadron as part of an equipment familiarization exercise. By working together in these bilateral exercises, the units hone their skills as a team to prepare for real world contingencies.